/**
 * 生成唯一id
 *
 * @returns 唯一id
 */
export const createUuid = () => {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
    const r = Math.trunc(Math.random() * 16)
    const v = c === 'x' ? r : (r & 0x3) | 0x8
    return v.toString(16)
  })
}
